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Digital Electronics

Digital Electronics
ASCII code is a

 10-bit code
 8-bit code
 5-bit code
 7-bit code

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Digital Electronics
Which of the following is known as a mod-2 adder?

 X-NOR gate
 NOR gate
 X-OR gate
 NAND gate

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Digital Electronics
1 kb represents

 10,000 bytes
 100 bytes
 1024 bytes
 1000 bytes

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Digital Electronics
A debouncing circuit is

An astable MV
A latch
A monostable MV
A bistable MV

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Digital Electronics
Excess-3 code is known as

Cyclic redundancy code
Algebraic code
Weighted code
Self-complementing code

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Digital Electronics
The simplified block diagram of a 10-bit A/D converter of dual slope integrator type is shown in figure. The 10-bit counter at the output is clocked by a 1 Mhz clock. Assuming negligible timing overhead for the control logic, the maximum frequency of the analog signal that can be converted using this A/D converted is approximately .

 500 Hz.
  1 KHz.
 250 Hz.
 2 KHz.

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